import type { AccessContext } from '../access.js';
import type { AnyDb } from '../dialect.js';
import type { BucketStorageRegistry } from './registry.js';
export interface StorageExecutionContext {
    request: Request;
    user: AccessContext['user'];
    session: {
        activeOrganizationId: string | null;
    };
}
export interface StorageOperationsOptions {
    registry: BucketStorageRegistry;
    db: AnyDb;
    presignExpiresSec?: number;
}
export type PrepareUploadResult = {
    mode: 'proxy';
    uploadUrl: string;
} | {
    mode: 'presign';
    fileId: string;
    uploadUrl: string;
    method: 'PUT';
    confirmUrl: string;
};
export type StorageDownload = {
    kind: 'redirect';
    status: 302;
    url: string;
} | {
    kind: 'body';
    status: number;
    body: ConstructorParameters<typeof Response>[0];
    headers: Headers;
};
export declare function createStorageOperations(options: StorageOperationsOptions): {
    prepareUpload(bucketName: string, body: {
        filename?: string;
        contentType?: string;
    }, context: StorageExecutionContext): Promise<PrepareUploadResult>;
    upload(bucketName: string, file: File, context: StorageExecutionContext): Promise<{
        status: 201;
        fileId: string;
        url: string;
    }>;
    confirmUpload(bucketName: string, id: string, context: StorageExecutionContext): Promise<{
        fileId: string;
        url: string;
    }>;
    download(bucketName: string, id: string, query: Record<string, string>, context: StorageExecutionContext): Promise<StorageDownload>;
    delete(bucketName: string, id: string, context: StorageExecutionContext): Promise<void>;
};
export type StorageOperations = ReturnType<typeof createStorageOperations>;
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